Oral Vascular Functions Are Altered in Periodontitis and/or Stroke Disease Model
Project/Area Number |
23593073
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Periodontal dentistry
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Research Institution | Kanagawa Dental College |
Principal Investigator |
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Co-Investigator(Kenkyū-buntansha) |
TAKAHASHI Shun-suke 神奈川歯科大学, 歯学研究科(研究院), 准教授 (60206810)
LEE Masaichi Chang-il 神奈川歯科大学, 歯学研究科(研究院), 教授 (60220795)
HAMADA Nobushiro 神奈川歯科大学, 歯学研究科(研究院), 教授 (20247315)
MATSUO Masato 神奈川歯科大学, 歯学研究科(研究院), 准教授 (30190416)
|
Project Period (FY) |
2011 – 2013
|
Project Status |
Completed (Fiscal Year 2013)
|
Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
|
Keywords | 歯周病 / 循環器疾患 / 活性酸素 / 高血圧 / 循環器障害 / 活性酸素種 |
Research Abstract |
We assessed alteration of vascular endothelial function by measuring gingival reactive hyperemia (GRH) on the oral microcirculation of lifestyle-related disease animal models such as Stroke-Prone Spontaneously Hypertensive Rat (SHRSP). GRH was measured by using a laser Doppler flowmetry on Wistar Kyoto rats (WKY), SHRSP, Porphyromonas gingivalis(P.g) infection to WKY (WKY+P.g), and P.g infection to SHRSP (SHRSP+P.g), respectively. GRH was decreased in WKY+P.g compared to WKY. However, GRH was significantly increased in SHRSP+P.g compared to SHRSP. Our results suggested that alteration of vascular endothelial function may occur in gingival tissue on both periodontitis and stroke animal models. Furthermore we examined P. gingivalis-induced alveolar bone loss in SHRSP and WKY. The results obtained confirmed that P. gingivalis-induced alveolar bone loss was increased in periodontal disease and/or "hypertension and stroke", which may have been associated with oxidative stress.
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Report
(4 results)
Research Products
(52 results)
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Kobayashi K, Maehata Y, Okada Y, Kusubata M, Hattori S, Tanaka K, Miyamoto C, Yoshino F, Yoshida A, Tokutomi F, Wada-Takahashi S, Komatsu T, Otsuka T, Takahashi SS, Lee MC
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[Journal Article] Gingival vascular functions are altered in type 2 diabetes mellitus model and/or periodontitis model2012
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Sugiyama S., Takahashi S-S., Tokutomi F., Yoshida A., Kobayashi K., Yoshino F., Wada-Takahashi S., Toyama T., Watanabe K.,Hamada N., Todoki K., Lee M-C.
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Journal of Clinical Biochemistry and Nutrition
Volume: 51
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DOI
NAID
ISSN
0912-0009, 1880-5086
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高橋聡子,徳富文彬,杉山秀太,宮本千央,吉田彩佳,小林杏,前畑洋次郎,熊田秀文,吉野文彦,浜田信城,高橋俊介,李昌一
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[Journal Article] Direct assessments of the antioxidant effects of the novel collagen peptide on reactive oxygen species using electron spin resonance spectroscopy2011
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[Journal Article] Direct assessments of the antioxidant effects of the novel collagen peptide on reactive oxygen species using electron spin resonance spectroscopy.2011
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Journal of Pharmacological Science
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